Shinpei Tanaka

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PURPOSE The aims of this study were to (1) establish a biomechanical model that simulates the full-arch restoration supported by immediately loaded implants, which is customized for individual patients, and (2) clarify the effect of the implant placement and rigidity of a provisional restoration on the biomechanical response at the bone-implant interface.(More)
PURPOSE The aim of this study was to evaluate and compare the inter-operator reproducibility of three-dimensional (3D) images of teeth captured by a digital impression technique to a conventional impression technique in vivo. MATERIALS AND METHODS Twelve participants with complete natural dentition were included in this study. A digital impression of the(More)
Recently, fixed dental prostheses (FDPs) with a hybrid structure of CAD/CAM porcelain crowns adhered to a CAD/CAM zirconia framework (PAZ) have been developed. The aim of this report was to describe the clinical application of a newly developed implant-supported FDP fabrication system, which uses PAZ, and to evaluate the outcome after a maximum application(More)
The effects of enamel matrix derivative (EMD; Emdogain) on new trabecular bone induction after pure bioinert titanium (Ti) implantation in the rat femur were examined by means of routine light and transmission electron microscopy, immunohistochemistry, and backscattered electron image analysis. Newly designed mini-Ti implants (3.5 mm in length and 1.6 mm in(More)
PURPOSE Zirconia/alumina nanocomposite stabilized with cerium oxide (Ce-TZP/A) shows significantly higher mechanical strength than yttrium-oxide-partially-stabilized zirconia (Y-TZP) and allows post-sintered machining that does not require any subsequent treatment. The aim of this prospective study was to assess the clinical performance of veneered Ce-TZP/A(More)
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